Hawkish Republican Senator Marco Rubio says the United States should begin flying more military drones with fighter jet escorts over the Black Sea region, following the crash of an American drone there.    

Russia's ambassador to the United States says the US military's "unacceptable actions" close to Russian territory are "a cause for concern," urging Washington to stop "hostile" flights near the country's borders.

The Taliban have censured as an “act of aggression” US drones overflights in the skies over Afghanistan, warning of consequences if Washington fails to stop such flights.

The Taliban-ruled Afghan government has warned Washington that there would be “bad consequences” if the US-operated unmanned drones continued the violation of the country’s airspace.

The US is in talks with Morocco to ink a deal on the sale of four unmanned drones.